| King Cai vs King | 7–8 | 46.67% |
| King Cai vs Jin | 2–4 | 33.33% |
| King Cai vs Xiaoyu | 2–3 | 40.00% |
| King Cai vs Lars | 4–0 | 100.00% |
| King Cai vs Dragunov | 2–1 | 66.67% |
| King Cai vs Leroy | 2–1 | 66.67% |
| King Cai vs Steve | 2–0 | 100.00% |
| King Cai vs Feng | 2–0 | 100.00% |
| King Cai vs Leo | 1–1 | 50.00% |
| King Cai vs Reina | 2–0 | 100.00% |
| King Cai vs Eddy | 1–1 | 50.00% |
| King Cai vs Hwoarang | 1–0 | 100.00% |
| King Cai vs Nina | 1–0 | 100.00% |
| King Cai vs Kuma | 1–0 | 100.00% |
Limitations
This data is often requested to give insight into which characters you have more trouble with than others, but it is not particularly helpful for that. The main issue is that it is heavily skewed by how strong the opponents you play are.
For example, this data suggests my worst matchup is clearly vs Reina, but that's just because most of those games are vs Yagami.
There is a way to account for this being worked on. The central idea is to assign each matchup a rating vs you which adjusts based on the result, much like the regular rating but also based on the rating of each player. With this, it would give a better summary of how well you perform vs each character.
In the meantime, this page is here to present the data as requested.